What is that supposed to be? Is it a shaggy wig? Oh no! On closer inspection it is tiers of skulls. Two layers thick, makes it a warm and unique hat.
Size is determined by hook size
Small G Hook (4.00 mm) 20 in Around Gauge 14 dc= 4 in
Medium I hook (5.50 mm) 22 in Around Gauge 12 dc = 4 in
Large K hook (6.5mm) 24 in Around Gauge 10 dc = 4 in